pda/zhuike/src/main/java/com/novelbook/android/activity_cates.java

package com.novelbook.android;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.TextView;
import android.widget.Toast;


import com.novelbook.android.db.Novel;

import java.util.ArrayList;
import java.util.List;

import butterknife.BindView;
import butterknife.ButterKnife;

public class activity_cates extends Activity_base {

    @BindView(R.id.recycleViewCateList)
    RecyclerView mRecyclerView;
    private List<String> mDatas;
    private  BookListAdapter mAdapter;

    @Override
    public int getLayoutRes() {
        return R.layout.activity_cates;
    }

    @Override
    protected void initViews() {
        initReceyleView();
    }



    @Override
    protected void setTitle() {

    }

    interface OnItemClickLitener
    {
        void onItemClick(View view, int position);

    }

    private void showCateList(String s) {
        Intent intent = new Intent(activity_cates.this, Activity_cate_books.class);
        intent.putExtra("CATENAME",s);
        startActivity(intent);

    }
@Override
    protected void initData() {

     mDatas = new ArrayList<String>();
    for (int i = 0; i <5; i++)
    {
               mDatas.add("cate"+i);
    }
    mAdapter = new BookListAdapter(this, mDatas, R.layout.recycle_list_item_cates, new OnItemClickLitener() {

        @Override
        public void onItemClick(View view, int position) {
            showCateList(mDatas.get(position));

        }
    });


}

    void initReceyleView() {

        //  mRecyclerView.setLayoutManager(new LinearLayoutManager(this.activity));
        mRecyclerView.setLayoutManager(new GridLayoutManager(this,2));
        mRecyclerView.setAdapter(mAdapter );

    }

    class BookListAdapter extends RecyclerView.Adapter<BookListAdapter.MyViewHolder> {
        private final int EMPTY_VIEW = 1;
        private final int PROGRESS_VIEW = 2;
        private final int IMAGE_VIEW = 3;

        private Context context;
        private List<String> mDatas = new ArrayList<String>();
        private OnItemClickLitener mOnItemClickLitener;
        private int listItemID;
        public BookListAdapter(Context context, List<String> mDatas, int listItemID, OnItemClickLitener clickLitener) {
            this.context = context;
            this.mDatas = mDatas;
            this.mOnItemClickLitener = clickLitener;
            this.listItemID = listItemID;
        }
        public BookListAdapter(Context context, OnItemClickLitener clickLitener) {
            this.context = context;
            this.mOnItemClickLitener = clickLitener;

        }

        @Override
        public int getItemViewType(int position) {
            if(mDatas.size() == 0){
                return EMPTY_VIEW;
            } else if(mDatas.get(position) == null){
                return PROGRESS_VIEW;
            } else {
                return super.getItemViewType(position);
            }
        }

        @Override
        public  BookListAdapter.MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType)
        {
            BookListAdapter.MyViewHolder holder = new BookListAdapter.MyViewHolder(LayoutInflater.from(
                    context).inflate(listItemID, parent,
                    false));
            return holder;
        }



        public void setParameters(List<String> mDatas,int listItemID ) {
            this.mDatas = mDatas;
            this.listItemID = listItemID;
        }

        public void setOnItemClickLitener(OnItemClickLitener mOnItemClickLitener)
        {
            this.mOnItemClickLitener = mOnItemClickLitener;
        }

        @Override
        public void onBindViewHolder(BookListAdapter.MyViewHolder holder, int position)
        {
            holder.tvTitle.setText(mDatas.get(position));
            holder.tvNum.setText("9999");
            // 如果设置了回调，则设置点击事件
            if (mOnItemClickLitener != null)
            {
                holder.itemView.setOnClickListener(new View.OnClickListener()
                {
                    @Override
                    public void onClick(View v)
                    {
                        int pos = holder.getLayoutPosition();
                        mOnItemClickLitener.onItemClick(holder.itemView, pos);
                    }
                });
            }
        }

        @Override
        public int getItemCount()
        {
            return mDatas.size();
        }
        public void addData(int position) {
            mDatas.add(position, "Insert One");
            notifyItemInserted(position);
        }

        public void removeData(int position) {
            mDatas.remove(position);
            notifyItemRemoved(position);
        }
        class MyViewHolder extends RecyclerView.ViewHolder
        {
            @BindView(R.id.tvCateName)
            TextView tvTitle;
            @BindView(R.id.tvCateNums)
            TextView tvNum;

            public MyViewHolder(View view)
            {
                super(view);
                ButterKnife.bind(this, view);
                //tvTitle = (TextView) view.findViewById(R.id.title);
                // tvAuthor = (TextView) view.findViewById(R.id.author);

            }
        }
    }
}